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SV: [basicstamps] Radiotransmitter/receiver RWS 434/tx-saw — Parallax Forums

SV: [basicstamps] Radiotransmitter/receiver RWS 434/tx-saw

ArchiverArchiver Posts: 46,084
edited 2004-04-16 17:46 in General Discussion
Do i have to get one stamp for each sensor?

Ursprungligt meddelande
Fr

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2004-04-15 16:20
    In a message dated 4/15/2004 11:09:26 AM Eastern Daylight Time,
    robert.bohlin@b... writes:


    > Do i have to get one stamp for each sensor?
    >
    >

    Sensor output is analog. it must go to an ADC for conversion to digital.
    All sensors could go to a multi-channel ADC which is connected to a Stamp. Then

    one Stamp can handle all the sensors and serout the digital information to
    the transmitter.

    Sid


    [noparse][[/noparse]Non-text portions of this message have been removed]
  • ArchiverArchiver Posts: 46,084
    edited 2004-04-16 17:46
    No you only need one stamp to receive the information and process it.

    Example
    if you use Holtek HT-12E Encoder IC from www.rentron.com,
    http://www.rentron.com/PicBasic/RemoteControl.htm on to the sensor inbetween the
    transmitter you can set an address which is specific to that sensor. This way
    allows for many sensors broadcasting on the same frequency.

    You should use Holtek HT-12D Decoder IC from www.rentron.com for the receiver
    and have the stamp change the address lines on the decoder inorder to choose
    which sensor is to be read in.

    I have done this very thing for one of my past projects that required
    information to be sent wirelessly to the receiver.

    Hope this helps

    Robert Bohlin <robert.bohlin@b...> wrote:
    Do i have to get one stamp for each sensor?

    Ursprungligt meddelande
    Fr
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